20763250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 40891032

約数和(自身を除く): 20127782

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 157, 230, 250, 314, 529, 575, 785, 1058, 1150, 1570, 2645, 2875, 3611, 3925, 5290, 5750, 7222, 7850, 13225, 18055, 19625, 26450, 36110, 39250, 66125, 83053, 90275, 132250, 166106, 180550, 415265, 451375, 830530, 902750, 2076325, 4152650, 10381625, 20763250]

約数ペア:

[(1, 20763250), (2, 10381625), (5, 4152650), (10, 2076325), (23, 902750), (25, 830530), (46, 451375), (50, 415265), (115, 180550), (125, 166106), (157, 132250), (230, 90275), (250, 83053), (314, 66125), (529, 39250), (575, 36110), (785, 26450), (1058, 19625), (1150, 18055), (1570, 13225), (2645, 7850), (2875, 7222), (3611, 5750), (3925, 5290)]